Hmmm... I agree, it looks kinda like the Windy City coming from that one bridge from Indiana (along I-94 I think.) Not exactly, but something about the buildings etc. I've found that volumetric radial lights look alright if they're placed inside/over a glass sphere. Dunno if this helps or not. You kinda have to build and boolean the light fixtures in a way similar to the real thing and actual light would be radial. Also a lot of tweaking and spot rendering would be involved in getting lights right, as the light setup window doesn't always show the light as is. I usually don't play with lights much myself 'cause the render time. Dunno what else to suggest.

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Barbequed Pixels?

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There might be something worth downloading.